218815520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17761}}^1$

素因数の和:17794

約数の個数: 96

約数和(自身を含む): 644547456

約数和(自身を除く): 425731936

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 17761, 35522, 71044, 88805, 124327, 142088, 177610, 195371, 248654, 284176, 355220, 390742, 497308, 568352, 621635, 710440, 781484, 976855, 994616, 1243270, 1367597, 1420880, 1562968, 1953710, 1989232, 2486540, 2735194, 2841760, 3125936, 3907420, 3978464, 4973080, 5470388, 6251872, 6837985, 7814840, 9946160, 10940776, 13675970, 15629680, 19892320, 21881552, 27351940, 31259360, 43763104, 54703880, 109407760, 218815520]

約数ペア:

[(1, 218815520), (2, 109407760), (4, 54703880), (5, 43763104), (7, 31259360), (8, 27351940), (10, 21881552), (11, 19892320), (14, 15629680), (16, 13675970), (20, 10940776), (22, 9946160), (28, 7814840), (32, 6837985), (35, 6251872), (40, 5470388), (44, 4973080), (55, 3978464), (56, 3907420), (70, 3125936), (77, 2841760), (80, 2735194), (88, 2486540), (110, 1989232), (112, 1953710), (140, 1562968), (154, 1420880), (160, 1367597), (176, 1243270), (220, 994616), (224, 976855), (280, 781484), (308, 710440), (352, 621635), (385, 568352), (440, 497308), (560, 390742), (616, 355220), (770, 284176), (880, 248654), (1120, 195371), (1232, 177610), (1540, 142088), (1760, 124327), (2464, 88805), (3080, 71044), (6160, 35522), (12320, 17761)]